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Ray User

@rayuser12

iOS developer at Amihan Solutions who migrated Crowtocracy's group chat from Sendbird to Matrix for its production iOS app.

Philippines

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At Amihan Solutions Inc., I developed production iOS features for Crowtocracy - Siv and migrated its group chat from Sendbird to Matrix. I investigated the Element codebase, built a messaging proof of concept, and integrated Matrix into the existing app.

For 16Bars - Cartier Bespoke, I maintained an interactive iPadOS jewelry presentation app using Swift, UIKit, SceneKit, and MultipeerConnectivity. I also worked with 3D designers to improve model integration and maintained interactive presentations and animations.

Earlier, at Yondu Inc., I developed GlobeOne for Globe Telecom subscribers and served as the sole iOS developer on the L3 production support team. At Rogomi Inc., I contributed to apps including CignalPlay and GigaPlay, as well as social, streaming, augmented reality, and financial services products.

Experience

Work history, roles, and key accomplishments

Professional Web/iOS Developer

Amihan Solutions Inc.

Feb 2024 - Jan 2026 (1 year 11 months)

Developed and maintained production features for a social platform using SvelteKit and Swift/SwiftUI. Led migration of group chat from Sendbird to Matrix and implemented custom note-editing interface.

Swift SwiftUI SvelteKit Tailwind Matrix SendBird REST APIs AWS Lambda WordPress Sentry

Freelancer

Self Employed

Nov 2023 - Feb 2024 (3 months)

Developed a Python-based Viber chatbot integrated with ChatGPT and created technical documentation and tutorials for various development topics.

Python Viber and TikTok Customer Communication ChatGpt React Native Combine SwiftUI Core Data Core Animation SonarQube

Software Engineer – iOS

Yondu Inc.

Aug 2022 - Jul 2023 (11 months)

Developed and maintained GlobeOne, a production iOS app for Globe Telecom, using Swift, UIKit, and VIPER. Served as sole iOS developer on L3 production support and mentored new developers.

Swift UIKit Storyboards Snapkit VIPER Jira TestFlight Firebase Crashlytics Figma Drawio

Junior Application Developer

Rogomi Inc.

Nov 2020 - Aug 2022 (1 year 9 months)

Transitioned from QA to iOS development, contributing to multiple production apps including CignalPlay and GigaPlay. Integrated REST APIs, maintained legacy Objective-C app, and developed features for internal social platform.

Swift Objective C UIKit Storyboards Alamofire Firebase Crashlytics Google Analytics Google API Core Data REST APIs Shopify Trello Figma

Junior Software Developer

Azure Systems Ltd.

Oct 2019 - Dec 2019 (2 months)

Completed intensive software development training covering JavaServer Pages, JavaScript, HTML, CSS, jQuery, PL/SQL, and Oracle SQL. Developed programming exercises and practice applications.

JSP JavaScript HTML CSS jQuery Pl SQL Oracle SQL